private static void AddSiteMapXmlLink(string url, HtmlTag xml)
{
var urlTag = new HtmlTag("url");
var locTag = new HtmlTag("loc");
locTag.SetInnerText(Fmt.UTF8Encode(Web.ResolveUrlFull(url)));
urlTag.AddTag(locTag);
var changefreqTag = new HtmlTag("changefreq");
changefreqTag.SetInnerText("daily");
urlTag.AddTag(changefreqTag);
var priorityTag = new HtmlTag("priority");
priorityTag.SetInnerText("0.5");
urlTag.AddTag(priorityTag);
xml.AddTag(urlTag);
}